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The lightning bolt flash with arrowhead symbol, within
an equilateral triangle, is intended to alert the user to
the presence of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
2 Contents
CONTENTS
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
AC Power Connection
Signal Connection
Break-In
High-Frequency Softening Switch
Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Listening Position
The Wall Behind the Listener
The Wall Behind the Speakers
The Side Walls
Experimentation
Final Placement
The Extra “Tweak”
Enjoy Yourself
Room Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Your Room
Terminology
Rules of Thumb
Dipolar Speakers and Your Room
Solid Footing
Dispersion Interactions . . . . . . . . . . . . . . . . . . . . . . . . .10
Controlled Horizontal Dispersion
Controlled Vertical Dispersion
Three Major Types of Dispersion
Electrostatic Advantages . . . . . . . . . . . . . . . . . . . . . . . .12
Full Range Operation
MartinLogan Exclusives . . . . . . . . . . . . . . . . . . . . . . . . .15
Curvilinear Line Source
Vapor Deposited Film
Transducer Integrity
Electrostatic Loudspeaker History . . . . . . . . . . . . . . . .16
Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . .18
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Specifications
Warranty and Registration
Service
Glossary of Audio Terms . . . . . . . . . . . . . . . . . . . . . . . .22